ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen
ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen
ENGINE SHOP REBUILD & SERVICE PARTS MANUAL - Jacobsen
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<strong>ENGINE</strong> MEASUREMENTS<br />
SPECS<br />
STD.<br />
(in)<br />
(mm)<br />
LIMIT<br />
(in)<br />
(mm)<br />
A B<br />
0.2165~0.2172<br />
(5.500~5.518)<br />
0.2175<br />
(5.525)<br />
C<br />
D<br />
90 o 0.0118~0.0295<br />
(0.30~0.75)<br />
0.0591<br />
(1.5)<br />
A<br />
A<br />
1<br />
Measure each position<br />
o<br />
in 2 places 90 apart<br />
A<br />
2<br />
Valve guide<br />
B<br />
Valve seat<br />
C<br />
D<br />
10<br />
20<br />
30<br />
40<br />
0<br />
50<br />
*<br />
o<br />
* A total difference of 1 between the finish angles of the valve and valve seat is required.<br />
*<br />
60<br />
70<br />
80<br />
90<br />
Fig. C-8 Valve Guides and Seats<br />
Engine Shop Rebuild and Parts Manual<br />
Page C-9
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